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CVE-2018-12386

Quick assessment

Affected
Mozilla Firefox ESR
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Mozilla Firefox和Firefox ESR都是美国Mozilla基金会开发的浏览器产品。Firefox是一款开源Web浏览器；Firefox ESR是Firefox的一个延长支持版本。 Mozilla Firefox 62.0.3之前版本和Firefox ESR 60.2.2之前版本中的JavaScript的register allocation存在类型混淆漏洞。远程攻击者可利用该漏洞执行任意的读写操作，进而执行代码。

AI Predicted 8.5 Difficulty: Moderate EPSS 12.43% · P96
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I. Basic Information for CVE-2018-12386

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability in register allocation in JavaScript can lead to type confusion, allowing for an arbitrary read and write. This leads to remote code execution inside the sandboxed content process when triggered. This vulnerability affects Firefox ESR < 60.2.2 and Firefox < 62.0.3.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Mozilla Firefox和Firefox ESR 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Mozilla Firefox和Firefox ESR都是美国Mozilla基金会开发的浏览器产品。Firefox是一款开源Web浏览器；Firefox ESR是Firefox的一个延长支持版本。 Mozilla Firefox 62.0.3之前版本和Firefox ESR 60.2.2之前版本中的JavaScript的register allocation存在类型混淆漏洞。远程攻击者可利用该漏洞执行任意的读写操作，进而执行代码。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Mozilla Firefox ESR unspecified ~ 60.2.2 -
Mozilla Firefox unspecified ~ 62.0.3 -

II. Public POCs for CVE-2018-12386

# POC Description Source Link Shenlong Link
1 CVE-2018-12386 - Firefox Sandboxed RCE Exploit for Linux (Firefox <v62.0.3) https://github.com/Hydra3evil/cve-2018-12386 POC Details
2 CVE-2018-12386 - Firefox Sandboxed RCE Exploit for Linux (Firefox <v62.0.3) https://github.com/0xLyte/cve-2018-12386 POC Details
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III. Intelligence Information for CVE-2018-12386

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Vendor Advisories for CVE-2018-12386 (8)

Same Patch Batch · Mozilla · 2018-10-18 · 32 CVEs total

CVE-2018-12373 Mozilla Thunderbird 信息泄露漏洞
CVE-2018-5188 Mozilla Firefox和Firefox ESR 安全漏洞
CVE-2018-5187 Mozilla Firefox和Firefox ESR 安全漏洞
CVE-2018-5186 Mozilla Firefox 安全漏洞
CVE-2018-5156 Mozilla Firefox和Firefox ESR 安全漏洞
CVE-2018-12387 Mozilla Firefox和Firefox ESR 缓冲区错误漏洞
CVE-2018-12385 Mozilla Firefox和Firefox ESR 安全漏洞
CVE-2018-12383 Mozilla Firefox 安全漏洞
CVE-2018-12382 Mozilla Firefox for Android 安全漏洞
CVE-2018-12381 Mozilla Firefox和Firefox ESR 安全漏洞
CVE-2018-12379 Mozilla Firefox和Firefox ESR 缓冲区错误漏洞
CVE-2018-12378 Mozilla Firefox、Firefox ESR和Thunderbird 资源管理错误漏洞
CVE-2018-12377 Mozilla Firefox、Firefox ESR和Thunderbird 资源管理错误漏洞
CVE-2018-12376 Mozilla Firefox和Firefox ESR 安全漏洞
CVE-2018-12375 Mozilla Firefox 安全漏洞
CVE-2018-12374 Mozilla Thunderbird 信息泄露漏洞
CVE-2016-9069 Mozilla Firefox 释放后重用漏洞
CVE-2018-12372 Mozilla Thunderbird 信息泄露漏洞
CVE-2018-12370 Mozilla Firefox 安全漏洞
CVE-2018-12369 Mozilla Firefox和Firefox ESR 安全漏洞

Showing top 20 of 32 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Firefox ESR
Same vendor: Mozilla

V. Comments for CVE-2018-12386

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